Calculate Your Optimal Sleep Time
Professional Sleep Cycle Calculation Tool
Sleep Calculator is a scientific tool that helps calculate optimal sleep times based on sleep cycles. It provides personalized advice and improves your sleep quality and overall health.
Calculate optimal bedtime based on wake time
Calculate optimal wake time based on bedtime
Sleep cycle analysis and recommendations
Personalized sleep advice based on age and lifestyle
Sleep quality assessment and improvement suggestions
Multiple sleep cycle options for flexibility
Choose calculation mode (wake time to bedtime, bedtime to wake time, or sleep duration)
Enter your target wake time or bedtime
Set your age and sleep preferences (optional)
Click calculate to get optimal sleep recommendations
View detailed sleep cycle analysis and health tips
Each complete sleep cycle lasts approximately 90 minutes
Most adults need 4-6 complete sleep cycles for optimal rest
Light sleep, deep sleep, and REM sleep in each cycle